When using Java’s Map implementations, it is sometimes common to invoke the Map ‘s get (Object) method and to react differently based on whether the value returned is null or not. A common ...

A colleague of mine recently ran into an issue that I have not run into myself, but found to be interesting and, in my opinion, worth blogging about here. During some distributed Java development ...

Mojang has dropped twelve new maps for Minecraft Java Realms. Some of them are DUNGEON OF THE ARBALIST, GAME OF LIFE AND DEATH, and UNDER THE GREAT BLUE.

HashMap vs. Hashtable similarities Both the Hashtable and HashMap implement the Map interface and both share the same set of methods used to add, remove and manipulate elements of a key-value, ...

The free Java applet MAPresso generates choropleth maps, informational maps that represent statistical variations with shaded colors. You've seen them used to display voting statistics, […] ...